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Since batch algorithms suffer from lack of proficiency in confronting model mismatches and disturbances, this contribution proposes an adaptive scheme based on continuous Lyapunov function for online robot dynamic identification. This paper…

机器人学 · 计算机科学 2022-10-28 Pedram Agand , Mahdi Aliyari Shoorehdeli

In the study of chaotic behaviour of systems of many hard spheres, Lyapunov exponents of small absolute value exhibit interesting characteristics leading to speculations about connections to non-equilibrium statistical mechanics. Analytical…

混沌动力学 · 物理学 2011-07-13 A. S. de Wijn

Extreme Learning Machine (ELM) is an emerging learning paradigm for nonlinear regression problems and has shown its effectiveness in the machine learning community. An important feature of ELM is that the learning speed is extremely fast…

系统与控制 · 计算机科学 2012-11-08 Vijay Manikandan Janakiraman , Dennis Assanis

The Lyapunov exponents for Anderson localization are studied in a one dimensional disordered system. A random Gaussian potential with the power law decay $\sim 1/|x|^q$ of the correlation function is considered. The exponential growth of…

统计力学 · 物理学 2015-05-13 Alexander Iomin

In this paper, we study the construction of Lyapunov functions based on first order approximations. In a first part, the study of local exponential stability property of a transverse invariant manifold is considered. This part is mainly a…

动力系统 · 数学 2015-11-23 V Andrieu

We present a novel approach to quantifying and optimizing stability in robotic systems based on the Lyapunov exponents addressing an open challenge in the field of robot analysis, design, and optimization. Our method leverages…

机器人学 · 计算机科学 2024-12-10 G. Fadini , S. Coros

We propose a deep neural network architecture and a training algorithm for computing approximate Lyapunov functions of systems of nonlinear ordinary differential equations. Under the assumption that the system admits a compositional…

最优化与控制 · 数学 2020-12-01 Lars Grüne

We introduce a new approach to evaluate the largest Lyapunov exponent of a family of nonnegative matrices. The method is based on using special positive homogeneous functionals on $R^{d}_+,$ which gives iterative lower and upper bounds for…

最优化与控制 · 数学 2012-01-17 Vladimir Yu. Protasov , Raphael M. Jungers

We consider a large class of 2D area-preserving diffeomorphisms that are not uniformly hyperbolic but have strong hyperbolicity properties on large regions of their phase spaces. A prime example is the Standard map. Lower bounds for…

动力系统 · 数学 2017-01-27 Alex Blumenthal , Jinxin Xue , Lai-Sang Young

We present an efficient and validated method for approximating the stationary measures of random dynamical systems with smooth additive noise. The approach leverages the strong regularizing properties of the associated transfer operator…

动力系统 · 数学 2026-02-24 Stefano Galatolo , Charles Lopez Vereau , Luigi Marangio , Isaia Nisoli

This paper is concerned with relationships of Lyapunov exponents with sensitivity and stability for non-autonomous discrete systems. Some new concepts are introduced for non-autonomous discrete systems, including Lyapunov exponents, strong…

动力系统 · 数学 2016-03-18 Hua Shao , Yuming Shi , Hao Zhu

We calculate the Lyapunov exponents describing spatial clustering of particles advected in one- and two-dimensional random velocity fields at finite Kubo numbers Ku (a dimensionless parameter characterising the correlation time of the…

流体动力学 · 物理学 2013-11-11 K. Gustavsson , B. Mehlig

In this paper, a distributed stochastic approximation algorithm is studied. Applications of such algorithms include decentralized estimation, optimization, control or computing. The algorithm consists in two steps: a local step, where each…

最优化与控制 · 数学 2013-12-03 Pascal Bianchi , Gersende Fort , Walid Hachem

The problem of evaluation of Lyapunov exponent in queueing network analysis is considered based on models and methods of idempotent algebra. General existence conditions for Lyapunov exponent to exist in generalized linear stochastic…

最优化与控制 · 数学 2012-12-27 N. K. Krivulin

We use recent advances in the machine learning area known as 'reservoir computing' to formulate a method for model-free estimation from data of the Lyapunov exponents of a chaotic process. The technique uses a limited time series of…

混沌动力学 · 物理学 2018-01-17 Jaideep Pathak , Zhixin Lu , Brian R. Hunt , Michelle Girvan , Edward Ott

The sensitive dependence of chaos on parameters is a topic of great interest in the study of integrability and stability of dynamical systems. Previous work has proposed ways to identify the sensitive dependence on parameters by topological…

Covariant Lyapunov vectors characterize the directions along which perturbations in dynamical systems grow. They have also been studied as predictors of critical transitions and extreme events. For many applications like, for example,…

数据分析、统计与概率 · 物理学 2022-03-14 Christoph Martin , Nahal Sharafi , Sarah Hallerberg

We introduce a novel algorithm for estimating optimal parameters of linearized assignment flows for image labeling. An exact formula is derived for the parameter gradient of any loss function that is constrained by the linear system of ODEs…

机器学习 · 计算机科学 2022-04-07 Alexander Zeilmann , Stefania Petra , Christoph Schnörr

For complex nonlinear systems, it is challenging to design algorithms that are fast, scalable, and give an accurate approximation of the stability region. This paper proposes a sampling-based approach to address these challenges. By…

系统与控制 · 电气工程与系统科学 2024-05-24 Péter Antal , Tamás Péni , Roland Tóth

Analyticity and other properties of the largest or smallest Lyapunov exponent of a product of real matrices with a "cone property" are studied as functions of the matrices entries, as long as they vary without destroying the cone property.…

混沌动力学 · 物理学 2015-12-01 Giovanni Gallavotti